Answer / Dharmendra Kumar Mourya

You can delete a file in Node.js using the `fs` module's `unlinkSync()` function. Example: `const fs = require('fs'); fs.unlinkSync('<path_to_file>')`.

What is a callback in node.js?

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What is error-first callback?

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Is node js a backend language?

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What language is node js written in?

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What ides you can use for node.js development?

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Using the event loop what are the tasks that should be done asynchronously?

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Why do we need promises in node js?

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What are the exit codes in node.js? Can you list a few exit codes?

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How to get started with node.js?

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Explain node.js web application architecture?

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What is the use of net.Socket in Node.js?

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What is the passport in Node.js?

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